JEE Advanced 2022 Chemistry question
LIST-I contains metal species and LIST-II contains their properties. LIST-I (I) (II) (III) (IV) LIST-II (P) orbitals contain 4 electrons (Q) (spin-only) = 4.9 BM (R) low spin complex ion (S) metal ion in 4+ oxidation state (T) species [Given: Atomic number of Cr = 24, Ru = 44, Fe = 26] Match each metal species in LIST-I with their properties in LIST-II, and choose the correct option
Answer: (A)
Solution
(I) , , strong-field : low spin – P, R, T. (II) , ; 4d ions form low-spin complexes even with : – P, R, S, T. (III) , , weak-field : high spin
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